Stella and her brother Sam explore the wonders of nature at night as the stars and a rising moon form a backdrop for their expedition where they encounter raccoons, fireflies, tree frogs, and bats.

When Judy Moody gets serious about protecting the environment, her little brother Stink thinks she is overdoing it, but she manages to inspire her third grade class to undertake an award-winning, environment-saving project.

Stella and her younger brother, Sam, spend a winter's day exploring its many wonders by pelting each other with snowballs, making snow angels, and visiting the snow-white forest.

Twins Sydney and Simon learn about the water cycle and use science, technology, engineering, arts, and math to solve the problem of their stuck window and thirsty flowers.

With Earth suffering from out-of-control climate change, fourteen-year-old twins Lila and Max Hartfield are facing a dangerous six-month trip to the Mars colony, where their scientist parents have been for the last six years--but on the last day something goes seriously wrong.

Tony and his twin sister Andie are four-wheeling in the woods near their family cabin, when they are caught in a violent thunderstorm--then the sky turns really dark, and they realize a monster tornado is on their tail, and suddenly they are not sure whether it is safer to keep running, or find some place to seek shelter.

"Jasmine Lopez and her brother, Arjun, love exploring the coral reefs around Fiji, where their marine biologist parents are stationed. Jasmine, already a certified scuba diver, dreams of following in her parents' footsteps and wants to help Arjun do the same. Unfortunately her younger brother is sure he already knows everything. That attitude gets them into danger when Arjun drifts too far from the group during a dive--and straight into a reef shark"--Title...

"Sophie Mouse's brother, Winston, wants to help her build a fort in the woods, but Sophie Mouse tells him he should go home because he's too little. When she realizes that she could use his help, he's nowhere to be found!" -- Provided by publisher.